<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../../js/vue.js"></script>
</head>

<body>
    <div id="root">
        <h1>人员列表</h1>
        <input type="text" placeholder="请输入名字" v-model="keyWords">
        <ul>
            <li v-for="value in filPersons" :key="value.id">
                {{value.name}}-{{value.age}}-{{value.sex}}
            </li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false //取消生产提示

        const vm = new Vue({
            el: '#root',
            data() {
                return {
                    keyWords: '',
                    persons: [{
                            id: '001',
                            name: '马冬梅',
                            age: 18,
                            sex: '女'
                        },
                        {
                            id: '002',
                            name: '周冬雨',
                            age: 19,
                            sex: '女'
                        },
                        {
                            id: '003',
                            name: '周杰伦',
                            age: 21,
                            sex: '男'
                        },
                        {
                            id: '004',
                            name: '温兆伦',
                            age: 22,
                            sex: '男'
                        },
                    ],
                    // filPersons: []
                }
            },
            // watch: {
            //     keyWords: {
            //         immediate: true,
            //         handler(val) {
            //             this.filPersons = this.persons.filter(function (p) {
            //                 return p.name.indexOf(val) !== -1
            //             })
            //         }
            //     }
            // },
            computed: {
                filPersons() {
                    return this.persons.filter((p) => {
                        return p.name.indexOf(this.keyWords) !== -1
                    })
                }
            },
        })
    </script>
</body>

</html>